1. DL manuals
  2. Kawai
  3. Musical Instrument
  4. CN2
  5. Service Manual

Kawai CN2 Service Manual

Other manuals for CN2: Owner's Manual

Summary of CN2

  • Page 1

    Kawai musical instruments manufacturing co., ltd. Manufacturing date december 2004 cn2 service manual se977e-s0502.

  • Page 2: ■ Contents

    – 2 – ■ contents ■ specifications * specifications are subject to change without notice. Keyboard touch type max polyphony tones reverb metronome recorder other functions pedals jacks speakers output power power consumption dimensions weight specifications ..............................................

  • Page 3: ■ Hardware List

    – 3 – +binding head tapping p-tite b-tite s-tite tapping #1 a b +pan head machine with washer machine +truss head s-tite tapping #1 ■ hardware list type size (a x b) remarks binding head b-tite 3 x 8 chromating binding head b-tite 3 x 12 chromating binding head p-tite 3 x 10 chromating (black) bindi...

  • Page 4: ■ Case Assembly

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 4 – ■ case assembly 1 12 12 13 13 6 8 15 9 8 10 3 11 4 14 15 11 2 5 7 screws (m5x20) screws (4x14) screws (4x12) screws (4x12) screws (4x30) screws (3x10) screws (3x10) screws (3x10) screws (3x10) screws (3x10) s...

  • Page 5: ■ Stand Assembly

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 5 – ■ stand assembly screws (6x50) screws (m6x25) screws (m6x25) screws (m6x25) plain washer spring washer screws (6x50) screws (4x20) screws (4x14) screws (4x14) screws (4x25) screws (4x20) plain washer spring w...

  • Page 6: ■ Cheek Block Assembly

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 6 – ■ cheek block assembly 1 screws (3x10) 2 3 4 5 9 9 6 9 7 7 10 8 8 screws (3x10) screws (3x12) screws (3x10) screws (3x10) screws (3x10) screws (3x10) screws (3x10) kep-151 kep-152 kep-156 no code no. Parts na...

  • Page 7: ■ Key Cover Assembly

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 7 – ■ key cover assembly screws (3x12) screws (3x12) screws (3x12) screws (3x8) screws (m3x10) screws (m3x10) screws (3x6) 1 2 3 4 5 6 7 7 8 8 8 plain washer no code no. Parts name rosewood cherry mahogany 1 9479...

  • Page 8: ■ Top Board Assembly

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 8 – screws (3x10) screws (4x10) screws (4x10) screws (4x10) screws (4x10) screws (4x10) screws (4x10) screws (3x16) screws (3x10) 1 4 2 3 5 6 7 8 8 9 10 11 11 12 12 13 13 ■ top board assembly no code no. Parts na...

  • Page 9

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 9 – 17 13 12 16 10 15 14 15 14 11 1 5 6 2 18 7 8 3 4 9 ■ keyboard unit (rg88 type) no. Code no. Parts name description q’ty 814849 complete keyboard unit 1 1 814651 white key (c) 7 814652 white key (d) 7 814653 w...

  • Page 10

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 10 – 2 2 1 1 1 open snap ring pliers grasp white key fulcrum point 2 black key stopper fulcrum point stopper fulcrum point ■ keyboard disassembling procedure first, remove the keyboard fixing screws (10 pcs.) at ...

  • Page 11: ■ Parts List

    – 11 – 237699 p.W.B. Assy 1 kep-126 (10) cpu 237700 p.W.B. Assy 1 kep-151-157 (2) panel,volume,amp,hp,midi,led,inlet 120v 237701 p.W.B. Assy 1 kep-151-157 (3) panel,volume,amp,hp,midi,led,inlet 230v 237347 p.W.B. Assy 1 kkb-015 (1) keyboard 814688 transformer 1 kt-027 813446 speaker unit 2 ks12-015 ...

  • Page 12

    – 12 – 812215 cpu 1 mb91101apf-g u2 814414 tg 1 k022-fp mb87l8040 u6 814435 reset ic 1 bd5245 fve-tr u29 810368 regulator 1 njm78l05ua-te1 u17 813047 regulator 1 µpc2933at-e1 u27 812219 op-amp 4 njm4580e-t1 u13,14,18,22 237690 flash rom 1 kp438-f9fp(a29l800tv-70) u3 814418 dram 1 ic41lv16257-35t-el ...

  • Page 13

    – 13 – kep-151(panel) 808457 logic 1 hd74hc595p u8 813111 led 6 el3105vrt/tr1-11(a) led2,3,4,5,6,7 800625 diode 6 1ss133t-77 d9,10,11,12,13,14 808345 switch 6 ksh0612at / evq21305r sw1,2,3,4,5,6 kep-152(volume) 804978 slide volume 1 rs30112ac00qa vr1 kep-153(amp) 812950 amp 1 ta8221ah u5 812222 head...

  • Page 14

    – 14 – code no. Parts name q'ty parts number parts address model kep-154(hp) 812297 retardant resistor 4 cpfs1/2ct26a68rj r50,51,52,53 805764 emi coil 4 sbt0160w l1,2,3,4 230v 802576 phone jack 2 ykb21-5006/htj-064-04a ja1,2 kep-155(midi) 806719 photocoupler 1 pc900v u7 810851 transistor 2 dtc143esa...

  • Page 15

    – 15 – ■ cable wiring specification cable tie(inshlock tie) nyron clamp ( ptl1m ) 1 ( nk-6n ) 1 binder ferrite core ( efb-0692 ) 1 ( kr06tb251512b1 ) 1 vinyl binder(small) ( l=100 ) 13 cable parts list ac cable list no. 1 1 for 120v area 1 2 1 for 230v area 1 3 1 for australia 1 4 1 for england 1 5 ...

  • Page 16: ■ Block Diagram

    – 16 – kep-153 kep-152 kep-151 p2rom kp437-mcfw 64mbit mpu mb91101a reset bd5245fve 12.5 mhz 33.8688 mhz 16 8 8 regulator µpc-2933 digital +3.3v digital +5v buf dram 4mbit 16 16 16 24bit d/a ak4393 kep-126 buf panel sw & led sound source/ touch lsi k022-fp sram 2mbit flashrom 8mbit volume pilot lamp...

  • Page 17

    – 17 – a b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ■ p.W.B. Kep-126 (10) assembly [top].

  • Page 18

    – 18 – a b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ■ p.W.B. Kep-126 (10) assembly [back].

  • Page 19

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 19 – ■ p.W.B. Kep-126 circuit 1/4.

  • Page 20

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 20 – ■ p.W.B. Kep-126 circuit 2/4.

  • Page 21

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 21 – ■ p.W.B. Kep-126 circuit 3/4.

  • Page 22

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 22 – ■ p.W.B. Kep-126 circuit 4/4.

  • Page 23

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 23 – ■ p.W.B. Kep-151– 157 (2) assembly b3p-vh b4p-vh b2p-vh 4.7uf /25v pst600d hzs6c3td pst600d hzs6c3td 103r 104r 104r 332r 2r7r 101r 47uf /16v 102c pq05rf21 dbf40c 104c 100uf /25v 1000uf /25v 2sc5395 2sc5395 2...

  • Page 24

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 24 – ■ p.W.B. Kep-151– 157 (3) assembly b3p-vh b4p-vh b2p-vh 4.7uf /25v pst600d hzs6c3td pst600d hzs6c3td 103r 104r 104r 332r 2r7r 101r 47uf /16v 102c pq05rf21 dbf40c 104c 100uf /25v 1000uf /25v 2sc5395 2sc5395 2...

  • Page 25

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 25 – ■ p.W.B. Kep-151 – 157 circuit 1/3.

  • Page 26

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 26 – ■ p.W.B. Kep-151 – 157 circuit 2/3.

  • Page 27

    A b c d e f g h i j k a b c d e f g h i j k 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 27 – ■ p.W.B. Kep-151 – 157 circuit 3/3 rated power voltage ac 110 – 120 v ac 220 – 240 v l1, l2, l3, l4 jp 5 mm sbt-0160w rated power voltage ac 110 – 120 v ac 220 – 240 v jumper address j3 j4 fuse type 234 02.5...

  • Page 28: ■ P.W.B. Kkb-015 Circuit

    – 28 – ■ p.W.B. Kkb-015 circuit a b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 8 3 1 c h 4 7 15 14 13 12 11 10 9 7 1-4 key 5-8 key 9-12 key 13-16 key 13-16 key 17-20 key 21-24 key 29-32 key 6 16 5 4 3 2 1 8 v 5 2 / z 3 7 4 8 3 1 c h 4 7 15 14 13 12 11 10 9 7 33...

  • Page 29: ■ Key Switch Matrix

    A b c d e f g h i j k a b c d e f g h i j k 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 – 29 – ■ key switch matrix 1 2 3 4 5 6 7 8 9 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 0 2 1 2 2 2 3 2 4 2 0 a 0 # a 0 b 1 c 1 # c 1 d 1 # d 1 e 1 f 1 # f 1 g 1 # g 1 a 1 # a 1 b 2 c 2 # c 2 d 2 # d 2 e 2 f 2 # f 2 g...